summaryrefslogtreecommitdiffstats
path: root/drivers/usb/dwc3/debug.h
blob: 07fbc2d94fd4f9961b7ae1b8c2cb60c9456fae9a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
/**
 * debug.h - DesignWare USB3 DRD Controller Debug Header
 *
 * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
 *
 * Authors: Felipe Balbi <balbi@ti.com>,
 *	    Sebastian Andrzej Siewior <bigeasy@linutronix.de>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2  of
 * the License as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef __DWC3_DEBUG_H
#define __DWC3_DEBUG_H

#include "core.h"

/**
 * dwc3_gadget_ep_cmd_string - returns endpoint command string
 * @cmd: command code
 */
static inline const char *
dwc3_gadget_ep_cmd_string(u8 cmd)
{
	switch (cmd) {
	case DWC3_DEPCMD_DEPSTARTCFG:
		return "Start New Configuration";
	case DWC3_DEPCMD_ENDTRANSFER:
		return "End Transfer";
	case DWC3_DEPCMD_UPDATETRANSFER:
		return "Update Transfer";
	case DWC3_DEPCMD_STARTTRANSFER:
		return "Start Transfer";
	case DWC3_DEPCMD_CLEARSTALL:
		return "Clear Stall";
	case DWC3_DEPCMD_SETSTALL:
		return "Set Stall";
	case DWC3_DEPCMD_GETEPSTATE:
		return "Get Endpoint State";
	case DWC3_DEPCMD_SETTRANSFRESOURCE:
		return "Set Endpoint Transfer Resource";
	case DWC3_DEPCMD_SETEPCONFIG:
		return "Set Endpoint Configuration";
	default:
		return "UNKNOWN command";
	}
}

/**
 * dwc3_gadget_generic_cmd_string - returns generic command string
 * @cmd: command code
 */
static inline const char *
dwc3_gadget_generic_cmd_string(u8 cmd)
{
	switch (cmd) {
	case DWC3_DGCMD_SET_LMP:
		return "Set LMP";
	case DWC3_DGCMD_SET_PERIODIC_PAR:
		return "Set Periodic Parameters";
	case DWC3_DGCMD_XMIT_FUNCTION:
		return "Transmit Function Wake Device Notification";
	case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_LO:
		return "Set Scratchpad Buffer Array Address Lo";
	case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_HI:
		return "Set Scratchpad Buffer Array Address Hi";
	case DWC3_DGCMD_SELECTED_FIFO_FLUSH:
		return "Selected FIFO Flush";
	case DWC3_DGCMD_ALL_FIFO_FLUSH:
		return "All FIFO Flush";
	case DWC3_DGCMD_SET_ENDPOINT_NRDY:
		return "Set Endpoint NRDY";
	case DWC3_DGCMD_RUN_SOC_BUS_LOOPBACK:
		return "Run SoC Bus Loopback Test";
	default:
		return "UNKNOWN";
	}
}

/**
 * dwc3_gadget_link_string - returns link name
 * @link_state: link state code
 */
static inline const char *
dwc3_gadget_link_string(enum dwc3_link_state link_state)
{
	switch (link_state) {
	case DWC3_LINK_STATE_U0:
		return "U0";
	case DWC3_LINK_STATE_U1:
		return "U1";
	case DWC3_LINK_STATE_U2:
		return "U2";
	case DWC3_LINK_STATE_U3:
		return "U3";
	case DWC3_LINK_STATE_SS_DIS:
		return "SS.Disabled";
	case DWC3_LINK_STATE_RX_DET:
		return "RX.Detect";
	case DWC3_LINK_STATE_SS_INACT:
		return "SS.Inactive";
	case DWC3_LINK_STATE_POLL:
		return "Polling";
	case DWC3_LINK_STATE_RECOV:
		return "Recovery";
	case DWC3_LINK_STATE_HRESET:
		return "Hot Reset";
	case DWC3_LINK_STATE_CMPLY:
		return "Compliance";
	case DWC3_LINK_STATE_LPBK:
		return "Loopback";
	case DWC3_LINK_STATE_RESET:
		return "Reset";
	case DWC3_LINK_STATE_RESUME:
		return "Resume";
	default:
		return "UNKNOWN link state\n";
	}
}

/**
 * dwc3_gadget_event_string - returns event name
 * @event: the event code
 */
static inline const char *dwc3_gadget_event_string(u8 event)
{
	switch (event) {
	case DWC3_DEVICE_EVENT_DISCONNECT:
		return "Disconnect";
	case DWC3_DEVICE_EVENT_RESET:
		return "Reset";
	case DWC3_DEVICE_EVENT_CONNECT_DONE:
		return "Connection Done";
	case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE:
		return "Link Status Change";
	case DWC3_DEVICE_EVENT_WAKEUP:
		return "WakeUp";
	case DWC3_DEVICE_EVENT_EOPF:
		return "End-Of-Frame";
	case DWC3_DEVICE_EVENT_SOF:
		return "Start-Of-Frame";
	case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
		return "Erratic Error";
	case DWC3_DEVICE_EVENT_CMD_CMPL:
		return "Command Complete";
	case DWC3_DEVICE_EVENT_OVERFLOW:
		return "Overflow";
	}

	return "UNKNOWN";
}

/**
 * dwc3_ep_event_string - returns event name
 * @event: then event code
 */
static inline const char *dwc3_ep_event_string(u8 event)
{
	switch (event) {
	case DWC3_DEPEVT_XFERCOMPLETE:
		return "Transfer Complete";
	case DWC3_DEPEVT_XFERINPROGRESS:
		return "Transfer In-Progress";
	case DWC3_DEPEVT_XFERNOTREADY:
		return "Transfer Not Ready";
	case DWC3_DEPEVT_RXTXFIFOEVT:
		return "FIFO";
	case DWC3_DEPEVT_STREAMEVT:
		return "Stream";
	case DWC3_DEPEVT_EPCMDCMPLT:
		return "Endpoint Command Complete";
	}

	return "UNKNOWN";
}

/**
 * dwc3_gadget_event_type_string - return event name
 * @event: the event code
 */
static inline const char *dwc3_gadget_event_type_string(u8 event)
{
	switch (event) {
	case DWC3_DEVICE_EVENT_DISCONNECT:
		return "Disconnect";
	case DWC3_DEVICE_EVENT_RESET:
		return "Reset";
	case DWC3_DEVICE_EVENT_CONNECT_DONE:
		return "Connect Done";
	case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE:
		return "Link Status Change";
	case DWC3_DEVICE_EVENT_WAKEUP:
		return "Wake-Up";
	case DWC3_DEVICE_EVENT_HIBER_REQ:
		return "Hibernation";
	case DWC3_DEVICE_EVENT_EOPF:
		return "End of Periodic Frame";
	case DWC3_DEVICE_EVENT_SOF:
		return "Start of Frame";
	case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
		return "Erratic Error";
	case DWC3_DEVICE_EVENT_CMD_CMPL:
		return "Command Complete";
	case DWC3_DEVICE_EVENT_OVERFLOW:
		return "Overflow";
	default:
		return "UNKNOWN";
	}
}

void dwc3_trace(void (*trace)(struct va_format *), const char *fmt, ...);

#ifdef CONFIG_DEBUG_FS
extern int dwc3_debugfs_init(struct dwc3 *);
extern void dwc3_debugfs_exit(struct dwc3 *);
#else
static inline int dwc3_debugfs_init(struct dwc3 *d)
{  return 0;  }
static inline void dwc3_debugfs_exit(struct dwc3 *d)
{  }
#endif
#endif /* __DWC3_DEBUG_H */
OpenPOWER on IntegriCloud